INVENTORY (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Summary of Components of Inventory

The following table summarizes the components of the Company’s inventory for the period indicated:

	As of March 31, 2017		As of December 31, 2016
	(in thousands)
Raw materials	$	24,898	$	9,531
Work in progress		5,433		3,175
Finished goods		114		107
Total inventory	$	30,445	$	12,813